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Nazmul Hasan
Associate III
since ‎2018-07-19
‎2024-05-06

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  • 13 Posts
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What will be the potential consequences if I connect a fan motor on A1 terminal of Triac?

2018-02-21
Posted on February 21, 2018 at 14:10Hi renard.benoitPlease let me know the potential consequences of connecting a fan motor (Max 100W) to the A1 terminal of T435-800T (BT138-V marked on schematics) Triac? On the right schematics, please find my inte...

Triac Dimmer not turning off during negative going half cycle of AC main

2018-02-05
Posted on February 05, 2018 at 14:13       Hello, I got a problem with my light dimmer pet project using ST's snubberless triac, T435-800T. It's working fine (turning on and off based on the control input) with the positive going half cycle of AC ma...

Triggering Snubberless Triac in QII and QIII with positive power supply

2017-10-27
Posted on October 28, 2017 at 07:17       Hi Can I connect the positive output voltage terminal of my off-line power supply using Viper16L to AC-main's (N) terminal (doesn't make sense though) to trigger a snubberless triac (T435-800T) as I drawn be...

How to connect SMPS to control TRIAC with negative triggering circuit?

2017-08-13
Posted on August 14, 2017 at 05:21 Hello I want to control ST's snubberless triac (T435-800) directly from MCU (STM32F0). According to AN3168 (article 2.4), I've to connect AC main (220V, 50Hz) supply with the control circuit's Vdd. In AN392, I foun...
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